Home / 89,229.90-123,135.15-48,943.31

Finding the Fourth Proportional to 89,229.90, 123,135.15 and 48,943.31

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Solution

The fourth proportional to 89,229.90, 123,135.15 and 48,943.31 is: 67,540.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,229.90 : 123,135.15 = 48,943.31 : x
  2. Step 2: Convert to fraction form
    89,229.90/123,135.15 = 48,943.31/x
  3. Step 3: Cross multiply
    89,229.90x = 123,135.15 × 48,943.31
  4. Step 4: Simplify right side
    89,229.90x = 6,026,641,386.21
  5. Step 5: Solve for x
    x = 6,026,641,386.21/89,229.90
  6. Step 6: Final answer
    x = 67,540.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.